package com.jc.gateway.auth;

import cn.dev33.satoken.stp.StpInterface;
import com.alibaba.cloud.commons.lang.StringUtils;
import com.google.gson.Gson;
import com.google.gson.reflect.TypeToken;
import com.jc.gateway.entity.AuthPermission;
import com.jc.gateway.entity.AuthRole;
import com.jc.gateway.redis.RedisUtil;
import org.springframework.stereotype.Component;

import javax.annotation.Resource;
import java.util.Collections;
import java.util.LinkedList;
import java.util.List;
import java.util.stream.Collectors;

/**
 * 自定义权限验证接口扩展 
 */
@Component
public class StpInterfaceImpl implements StpInterface {
    @Resource
    private RedisUtil redisUtil;

    private String authPermissionPrefix = "auth.permission";
    private String authRolePrefix = "auth.role";

    @Override
    public List<String> getPermissionList(Object loginId, String loginType) {
        // 返回此 loginId 拥有的权限列表
        String authKey = redisUtil.buildKey(authPermissionPrefix,loginId.toString());
        String authValue = redisUtil.get(authKey);
        if(StringUtils.isBlank(authValue)){
            return Collections.emptyList();
        }
        List<String> permissionList = new LinkedList<>();
        List<AuthPermission> authPermissionList = new Gson()
                .fromJson(authValue, new TypeToken<List<AuthPermission>>(){}.getType());
        permissionList = authPermissionList.stream()
                .map(AuthPermission::getPermissionKey).collect(Collectors.toList());
        return permissionList;
    }

    @Override
    public List<String> getRoleList(Object loginId, String loginType) {
        // 返回此 loginId 拥有的角色列表
        String authKey = redisUtil.buildKey(authRolePrefix,loginId.toString());
        String authValue = redisUtil.get(authKey);
        if(StringUtils.isBlank(authValue)){
            return Collections.emptyList();
        }
        List<String> roleList = new LinkedList<>();
        List<AuthRole> authRoleList = new Gson()
                .fromJson(authValue, new TypeToken<List<AuthRole>>(){}.getType());
        roleList =authRoleList.stream()
                .map(AuthRole::getRoleKey).collect(Collectors.toList());
        return roleList;
    }

}
